4-Channel Class AB 4-Ohm 800w Amplifier AB w/ VM-1 Voltmeter LED SMD-200.4 DS18

• High-Power Performance – Delivers 150W x 4 at 4 ohms and 200W x 4 at 2 ohms, with 400W x 2 in bridged mode for powerful, distortion-free audio.
• Advanced Sound Control – Features selectable HPF/Full/LPF crossover (50Hz-2KHz) and 0~9dB bass boost at 30-60Hz, giving you full flexibility to fine-tune your audio.
• Built-in Protections – Equipped with thermal, overload, short circuit, and voltage input protections, plus clipping protection for safe and reliable operation.
• Premium Build Quality – High-power Class AB circuit with heavy-duty Korean board design, Tiffany RCA connectors, and metal adjustment knobs for precise control.
• Stylish & Functional Design – Includes an integrated cooling fan, RGB lighting with remote control, and a remote level knob with a clip indicator in a durable metal case.

4-Channel Class AB 4-Ohm 800w Amplifier AB w/ VM-1 Voltmeter LED SMD-200.4 DS18

This Listing Includes:

• (1)4 Ch Class AB 4 Ohm 800w RMS Amplifier SMD 200.4AB with VM-1 Voltmeter LED DS18


• Remote level knob with clip indicator (metal case)


• IR remote control for LED patterns and colors

This powerful SMD 4-Channel Amplifier is designed for ultimate performance, with 150 watts RMS per channel at 4 ohms and up to 400 watts bridged. It features a robust Class AB full-range analog design, ensuring superior sound clarity and efficiency. With advanced protections and high-quality components, this amp is perfect for serious audio enthusiasts looking for a reliable stereo solution.

Performance Summary:

The SMD-200.4AB amplifier provides unmatched sound quality across all four channels, with the ability to deliver 200 watts RMS at 2 ohms per channel. With selectable high-pass, low-pass, and full-range crossover options, it allows for precise audio tuning. The heavy-duty Korean board design ensures long-lasting durability, while the integrated cooling fan and multiple layers of protection keep your system running safely.

Key Features:

• Analog Class AB Amplifier for smooth and accurate sound reproduction


• Selectable HPF/Full/LPF Crossover for flexible system tuning (50Hz-2KHz)


• 0-9dB Bass Boost to enhance low-frequency performance (30Hz-60Hz)


• Clipping Protection and RGB Lighting for safe operation and a visual appeal


• Remote Level Knob with a clip indicator in a metal case for easy control


• Tiffany RCA Connectors for professional-grade signal input


• High-Power Class AB Circuit Design delivering consistent power


• IR Remote Control for LED patterns and color adjustments

Specifications:

• 150W x 4 @ 4 Ohms


• 200W x 4 @ 2 Ohms


• 400W x 2 @ 4 Ohm Bridge


• Frequency Response: 10Hz – 24KHz


• Signal-to-Noise Ratio: >98dB


• Efficiency @ 4 Ohm: >62%


• Damping Factor: 140


• Input Impedance: 22K Ohm


• Channel Separation: >50dB


• Total Harmonic Distortion (THD): 0.10%


• Low-Level Input Range: 200mV – 6V


• High-Level Input: Not Available


• Selectable Crossover: HPF / FULL / LPF


• Crossover Filter Range: 50Hz – 2KHz


• Bass Boost Range: 0 ~ 9dB


• Bass Boost Frequency: 30Hz – 60Hz


• Phase Selector: 0 ~ 180

Protection Features:

• Thermal Protection


• Overload Protection


• DC Output Protection


• Short Circuit Protection


• Voltage Input Protection

Measurements:

• Overall Length: 11" / 282mm


• Overall Width: 9.15" / 232mm


• Overall Height: 3" / 76mm


• Heatsink Length: 9.4" / 240mm


• Gross Unit Weight: 7.2 lbs / 3.3 kg

This amplifier is a perfect addition to any high-performance car audio setup, providing durability, sound clarity, and flexible tuning. Whether you're driving full-range speakers or pushing subwoofers, this SMD amp delivers the power and performance you need.

Accepted Payment Methods at Big Jeff Audio

At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:

Credit and Debit Cards

• Visa
• Mastercard
• American Express
• Discover
• Diners Club

Digital Wallets

• Amazon Pay
• Apple Pay
• Meta Pay (formerly Facebook Pay)
• Google Pay
• Shop Pay
• PayPal

International Payment Methods

• Bancontact
• iDEAL

Bank Transfers

• Zelle

Financing Options

We also offer financing options to make purchasing easier. Learn more about our financing options here.

• Klarna
• Affirm
• Sezzle
• Snap
• Acima
• Tiptop

If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.

Shipping Options and Delivery Time

Do You Offer Expedited Shipping?

Yes! At checkout, you can select from different shipping options:

• Standard Shipping: Free for orders over $100.
• Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.

How Long Does Delivery Take?

• Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
• Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.

What Happens If My Package Is Undeliverable?

If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.

Why Can’t I Track My Order?

If you're having trouble tracking your order:

• Make sure you’ve received the shipping confirmation email with the tracking number.
• Log into your account on our website and use the “Check Your Order Status” button.
• If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.